That estimate is based on a new study that found a higher lifetime risk than previously thought: After age 55, people have up ...

As America ages, the number of people diagnosed with dementia is expected to double every year, reaching more than 1 million ...

Dementia is caused when diseases, such as Alzheimer’s disease or a series of strokes, damage the brain. Dementia is progressive, which means the symptoms will gradually get worse. In most cases ...

Declining blood levels of two molecules that occur naturally in the body track closely with worsening Alzheimer's disease, ...